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TT: Fachverband Tiefe Temperaturen

TT 75: Low Dimensional Systems

TT 75.3: Talk

Thursday, March 21, 2024, 15:30–15:45, H 3007

Temperature-dependence of 2D electron transport in presence of different scattering mechanisms — •Philipp Heilmann1 and Björn Trauzettel1,21Institute of Theoretical and Astrophysics, University of Würzburg, Germanny — 2Würzburg-Dresden Cluster of Excellence ct.qmat, Germany

We examine 2D electron transport through a long narrow channel driven by an external electric field in presence of diffusive boundary scattering. At zero temperature, electron scattering leads to a transition from the ballistic to the diffusive regime with characteristic current density profiles. At finite temperature, the phase space for transport and particle scattering is enlarged. We study the influence of finite temperature on current densities and average current in this system. We are particularly interested in temperature-dependent scattering, for instance, electron-electron scattering, and its observable signatures.

Keywords: Ballistic transport; Electron scattering; 2-dimensional systems; Finite temperature

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